<!DOCTYPE HTML>
<html>
<head>
<style>
div {
  overflow:hidden;
  width:200px;
  height:80px;
  position:absolute;
  left:10px;
}
</style>
</head>
<body>
  <div style="top:0px; z-index:0">Hello</div>
  <div style="opacity:0.5; top:100px; z-index:1">Hello</div>
  <div style="top:200px; z-index:2">Hello</div>
</body>
</html>
